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In the Southeast market, the pole not required for PLA is the cold pole, as it doesn't influence the production process.
PLA (Polylactic Acid) production typically requires heat for polymerization.
The cold pole is not necessary as it does not contribute to the thermal processes.
In contrast, the hot pole is essential for maintaining the required temperatures.
For example, in extrusion processes, maintaining heat is c...
Smoke testing checks basic functionality, while sanity testing verifies specific functionalities after changes. Both are part of regression testing.
Smoke Testing: A preliminary test to check if the basic functions of an application work. Example: Verifying if the application launches.
Sanity Testing: A focused test to ensure that specific functionalities work after changes. Example: Testing a new feature after a bu...
Agile is an iterative approach to software development that emphasizes flexibility, collaboration, and customer feedback.
Focuses on delivering small, incremental changes to software.
Encourages collaboration between cross-functional teams, such as developers and testers.
Utilizes time-boxed iterations called sprints, typically lasting 1-4 weeks.
Incorporates regular feedback loops through sprint reviews and retrospec...
Priority refers to the urgency of fixing a defect, while severity indicates the impact of the defect on the system.
Priority is about the order in which defects should be fixed, while severity is about the impact of the defect.
High severity defects may not always be high priority. For example, a critical bug in a rarely used feature may be severe but low priority.
Conversely, a minor defect in a key feature may be h...
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AD typically refers to Active Directory, a directory service for Windows domain networks.
Active Directory (AD) is used for managing permissions and access to networked resources.
It stores information about members of the domain, including devices and users.
AD allows for centralized management of user accounts and security policies.
Example: An organization can use AD to enforce password policies across all user acc...
IMAP (Internet Message Access Protocol) is a protocol for accessing and managing email on a remote mail server.
IMAP allows users to access their email from multiple devices while keeping messages synchronized.
Unlike POP3, IMAP does not download emails; it keeps them on the server.
IMAP supports folder management, allowing users to organize emails into different folders.
Example: A user can read an email on their pho...
A VBA program can filter Excel data based on two columns and transfer the results to another sheet efficiently.
Use the AutoFilter method to filter data based on criteria from two columns.
Example: Filter Column A for 'Sales' and Column B for '2023'.
Copy the visible filtered data to a new sheet using the Range.Copy method.
Ensure to clear previous data in the destination sheet before copying new data.
DAX in Power BI enables advanced data analysis through calculated columns, measures, and filtering.
Calculated Columns: Create new data columns using DAX formulas, e.g., 'Sales[Total Sales] = Sales[Quantity] * Sales[Unit Price]'.
Measures: Define calculations that aggregate data dynamically, e.g., 'Total Revenue = SUM(Sales[Total Sales])'.
Time Intelligence: Use DAX functions for date calculations, e.g., 'YTD Sales =...
Wait handling in Selenium is crucial for managing dynamic web elements during automation testing.
Implicit Wait: Sets a default wait time for the entire session. Example: driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
Explicit Wait: Waits for a specific condition to occur before proceeding. Example: WebDriverWait wait = new WebDriverWait(driver, 10); wait.until(ExpectedConditions.visibilityOf(eleme...
OOP concepts enhance test automation frameworks by promoting code reusability, maintainability, and scalability.
Encapsulation: Hides the internal state of objects, e.g., a 'LoginPage' class that manages login details.
Inheritance: Allows creating new classes based on existing ones, e.g., 'BaseTest' class for common test setup.
Polymorphism: Enables methods to do different things based on the object, e.g., 'executeTe...
I applied via Company Website and was interviewed in Dec 2024. There were 3 interview rounds.
Basic self evaluation test.
Handling class imbalance involves techniques like resampling, using different algorithms, and adjusting class weights.
Use resampling techniques like oversampling or undersampling to balance the classes.
Utilize algorithms that are robust to class imbalance, such as Random Forest, XGBoost, or SVM.
Adjust class weights in the model to give more importance to minority class.
Use evaluation metrics like F1 score, precision, r...
I appeared for an interview in Feb 2025.
JIRA hierarchy includes Boards, Projects, Issues, Epics, Stories, and Sub-tasks.
Boards are used to visualize and manage work in progress.
Projects contain issues and can be broken down into Epics, Stories, and Sub-tasks.
Epics are large bodies of work that can be broken down into Stories.
Stories represent individual units of work that can be further broken down into Sub-tasks.
Risk management is the process of identifying, assessing, and prioritizing risks followed by coordinated and economical application of resources to minimize, monitor, and control the probability and impact of unfortunate events.
Identifying potential risks that could impact the project or organization
Assessing the likelihood and impact of each risk
Prioritizing risks based on their potential impact
Developing strategies t...
I applied via Campus Placement
1 coding question and MCQ on CS fundamentals were asked.
Find elements that appear exactly twice in an array using efficient algorithms.
Use a hash map to count occurrences of each element.
Iterate through the map to collect elements with a count of 2.
Example: For array [1, 2, 3, 2, 1], the output is [1, 2].
Time complexity is O(n) and space complexity is O(n).
Data structure related question
I applied via Naukri.com and was interviewed in Dec 2024. There were 3 interview rounds.
Agenda could be anything but prepration should be in essential pointers
I have been employed with the organization for 5 years.
Employed for 5 years
Started in entry-level position and progressed to current role
Received promotions and increased responsibilities over time
I appeared for an interview in Aug 2024.
I applied via Campus Placement
Big data refers to large and complex data sets that are difficult to process using traditional data processing applications.
Big data involves large volumes of data
It includes data from various sources such as social media, sensors, and business transactions
Big data requires specialized tools and technologies for processing and analysis
Spark is a distributed computing framework that processes big data in memory and is known for its speed and ease of use.
Spark is a distributed computing framework that can process data in memory for faster processing.
It uses Resilient Distributed Datasets (RDDs) for fault-tolerant distributed data processing.
Spark provides high-level APIs in Java, Scala, Python, and R for ease of use.
It supports various data sources li...
Our application is a data engineering platform that processes and analyzes large volumes of data to provide valuable insights.
Our application uses various data processing techniques such as ETL (Extract, Transform, Load) to clean and transform raw data into usable formats.
We utilize big data technologies like Hadoop, Spark, and Kafka to handle large datasets efficiently.
The application also includes machine learning al...
Key concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Objects of different classes can be treated as objects of a common superclass.
Abstraction: Hiding complex implementation details and showing onl...
HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
HashMap internally uses an array of linked lists to store key-value pairs.
When a key-value pair is added, the key is hashed to determine the index in the array where the pair will be stored.
If multiple keys hash to the same index (collision), a linked list is used to store these pairs.
To retrieve a value, t...
Easy to medium questions
Some of the top questions asked at the Amdocs interview -
The duration of Amdocs interview process can vary, but typically it takes about less than 2 weeks to complete.
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